Added go version of Bombs_Away

00_Alternate_Languages/12_Bombs_Away/go/main.go

@@ -0,0 +1,188 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"math/rand"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+)
+
+type Choice struct {
+	idx string
+	msg string
+}
+
+func playerSurvived() {
+	fmt.Println("YOU MADE IT THROUGH TREMENDOUS FLAK!!")
+}
+
+func playerDeath() {
+	fmt.Println("* * * * BOOM * * * *")
+	fmt.Println("YOU HAVE BEEN SHOT DOWN.....")
+	fmt.Println("DEARLY BELOVED, WE ARE GATHERED HERE TODAY TO PAY OUR")
+	fmt.Println("LAST TRIBUTE...")
+}
+
+func missionSuccess() {
+	fmt.Printf("DIRECT HIT!!!! %d KILLED.\n", int(100*rand.Int()))
+	fmt.Println("MISSION SUCCESSFUL.")
+}
+
+// Takes a float between 0 and 1 and returns a boolean
+// if the player has survived (based on random chance)
+// Returns True if death, False if survived
+func deathWithChance(probability float64) bool {
+	return probability > rand.Float64()
+}
+
+func startNonKamikaziAttack() {
+	numMissions := getIntInput("HOW MANY MISSIONS HAVE YOU FLOWN? ")
+
+	for numMissions > 160 {
+		fmt.Println("MISSIONS, NOT MILES...")
+		fmt.Println("150 MISSIONS IS HIGH EVEN FOR OLD-TIMERS")
+		numMissions = getIntInput("HOW MANY MISSIONS HAVE YOU FLOWN? ")
+	}
+
+	if numMissions > 100 {
+		fmt.Println("THAT'S PUSHING THE ODDS!")
+	}
+
+	if numMissions < 25 {
+		fmt.Println("FRESH OUT OF TRAINING, EH?")
+	}
+
+	fmt.Println()
+
+	if float32(numMissions) > (160 * rand.Float32()) {
+		missionSuccess()
+	} else {
+		missionFailure()
+	}
+}
+
+func missionFailure() {
+	fmt.Printf("MISSED TARGET BY %d MILES!\n", int(2+30*rand.Float32()))
+	fmt.Println("NOW YOU'RE REALLY IN FOR IT !!")
+	fmt.Println()
+
+	enemyWeapons := getInputFromList("DOES THE ENEMY HAVE GUNS(1), MISSILES(2), OR BOTH(3)? ", []Choice{{idx: "1", msg: "GUNS"}, {idx: "2", msg: "MISSILES"}, {idx: "3", msg: "BOTH"}})
+
+	// If there are no gunners (i.e. weapon choice 2) then
+	// we say that the gunners have 0 accuracy for the purposes
+	// of calculating probability of player death
+	enemyGunnerAccuracy := 0.0
+	if enemyWeapons.idx != "2" {
+		enemyGunnerAccuracy = float64(getIntInput("WHAT'S THE PERCENT HIT RATE OF ENEMY GUNNERS (10 TO 50)? "))
+		if enemyGunnerAccuracy < 10.0 {
+			fmt.Println("YOU LIE, BUT YOU'LL PAY...")
+			playerDeath()
+		}
+	}
+
+	missileThreatWeighting := 35.0
+	if enemyWeapons.idx == "1" {
+		missileThreatWeighting = 0
+	}
+
+	death := deathWithChance((enemyGunnerAccuracy + missileThreatWeighting) / 100)
+
+	if death {
+		playerDeath()
+	} else {
+		playerSurvived()
+	}
+}
+
+func playItaly() {
+	targets := []Choice{{idx: "1", msg: "SHOULD BE EASY -- YOU'RE FLYING A NAZI-MADE PLANE."}, {idx: "2", msg: "BE CAREFUL!!!"}, {idx: "3", msg: "YOU'RE GOING FOR THE OIL, EH?"}}
+	target := getInputFromList("YOUR TARGET -- ALBANIA(1), GREECE(2), NORTH AFRICA(3)", targets)
+	fmt.Println(target.msg)
+	startNonKamikaziAttack()
+}
+
+func playAllies() {
+	aircraftMessages := []Choice{{idx: "1", msg: "YOU'VE GOT 2 TONS OF BOMBS FLYING FOR PLOESTI."}, {idx: "2", msg: "YOU'RE DUMPING THE A-BOMB ON HIROSHIMA."}, {idx: "3", msg: "YOU'RE CHASING THE BISMARK IN THE NORTH SEA."}, {idx: "4", msg: "YOU'RE BUSTING A GERMAN HEAVY WATER PLANT IN THE RUHR."}}
+	aircraft := getInputFromList("AIRCRAFT -- LIBERATOR(1), B-29(2), B-17(3), LANCASTER(4): ", aircraftMessages)
+	fmt.Println(aircraft.msg)
+	startNonKamikaziAttack()
+}
+
+func playJapan() {
+	acknowledgeMessage := []Choice{{idx: "Y", msg: "Y"}, {idx: "N", msg: "N"}}
+	firstMission := getInputFromList("YOU'RE FLYING A KAMIKAZE MISSION OVER THE USS LEXINGTON.\nYOUR FIRST KAMIKAZE MISSION? (Y OR N): ", acknowledgeMessage)
+	if firstMission.msg == "N" {
+		playerDeath()
+	}
+	if rand.Float64() > 0.65 {
+		missionSuccess()
+	} else {
+		playerDeath()
+	}
+}
+
+func playGermany() {
+	targets := []Choice{{idx: "1", msg: "YOU'RE NEARING STALINGRAD."}, {idx: "2", msg: "NEARING LONDON.  BE CAREFUL, THEY'VE GOT RADAR."}, {idx: "3", msg: "NEARING VERSAILLES.  DUCK SOUP.  THEY'RE NEARLY DEFENSELESS."}}
+	target := getInputFromList("A NAZI, EH?  OH WELL.  ARE YOU GOING FOR RUSSIA(1),\nENGLAND(2), OR FRANCE(3)? ", targets)
+	fmt.Println(target.msg)
+	startNonKamikaziAttack()
+}
+
+func playGame() {
+	fmt.Println("YOU ARE A PILOT IN A WORLD WAR II BOMBER.")
+	side := getInputFromList("WHAT SIDE -- ITALY(1), ALLIES(2), JAPAN(3), GERMANY(4): ", []Choice{{idx: "1", msg: "ITALY"}, {idx: "2", msg: "ALLIES"}, {idx: "3", msg: "JAPAN"}, {idx: "4", msg: "GERMANY"}})
+	switch side.idx {
+	case "1":
+		playItaly()
+	case "2":
+		playAllies()
+	case "3":
+		playJapan()
+	case "4":
+		playGermany()
+	}
+}
+
+func main() {
+	rand.Seed(time.Now().UnixNano())
+
+	for {
+		playGame()
+		if getInputFromList("ANOTHER MISSION (Y OR N):", []Choice{{idx: "Y", msg: "Y"}, {idx: "N", msg: "N"}}).msg == "N" {
+			break
+		}
+	}
+}
+
+func getInputFromList(prompt string, choices []Choice) Choice {
+	scanner := bufio.NewScanner(os.Stdin)
+	for {
+		fmt.Println(prompt)
+		scanner.Scan()
+		choice := scanner.Text()
+		for _, c := range choices {
+			if strings.EqualFold(strings.ToUpper(choice), strings.ToUpper(c.idx)) {
+				return c
+			}
+		}
+		fmt.Println("TRY AGAIN...")
+	}
+}
+
+func getIntInput(prompt string) int {
+	scanner := bufio.NewScanner(os.Stdin)
+	for {
+		fmt.Println(prompt)
+		scanner.Scan()
+		choice, err := strconv.Atoi(scanner.Text())
+		if err != nil {
+			fmt.Println("TRY AGAIN...")
+			continue
+		} else {
+			return choice
+		}
+	}
+}